Bostron Telescope High-definition Navigation Floating 10X50 with Compass Waterproof Ranging Low Light Level Night Vision Binoculars

Model:10X50Structure:BinocularsFunction type:Ordinary telescopeUse:Civil telescopeInstrument magnification:10 times1. Specifications:Magnification: 10 timesObjective lens diameter: 50mm.Exit distance: 20mmPrism material: BAK4 optical glassField of view: 7.1 degrees 124M/1000MWaterproof performance: nitrogen-filled and waterproof.Net amount: 890g2. Lens BAK4 optical glass 12 layers of anti-UV anti-reflection film wide field of view high definition.3. Features: There is almost no need to adjust the telescope the objective lens is green film the one-yuan coin is large eyepiece the eyes are adjustable the eyes are very comfortable and the real long-term can not see dizziness. Not only waterproof mildew and anti-fog if you accidentally fall into the water it will not sink. With a built-in compass after the battery is installed pressing the button built-in compass will light up even if you don't worry about getting lost at night.4. The 10x50 nautical telescope is a highly sea